Homework Help: probability

Posted by Dillon on Tuesday, January 24, 2012 at 1:11pm.

normally distributed with a mean of 40 minutes and a standard deviation of 5 minutes. What is the probability that it will take more than 40 minutes?
Answer

probability - Steve, Tuesday, January 24, 2012 at 1:45pm
s.d. does not matter.
prob of greater than the mean is 50%.

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